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Use with 9" x 9" Catch Basin Series.
** BEFORE installing a drainage system, please check your local codes and regulations and install accordingly. **
9" Square Structural Foam Polyolefin Grate with UV inhibitor.
Open surface area 39.50 square inches. 51.75 GPM.
Square Grate Load Recommendation: CLASS A
To learn more about general drainage and catch basin installation, please watch the videos below: